Equilibrium in the system: lead acetate, lead oxide and water, at 25° . Pb(C,HsO;,)^7>h,0 PHQ,HjQj)^ Fig. 1.—Isothermal equilibrium at zf. Jb(C,H,0i)^-3HO Jackson] The Basic Acetates of Lead 339 tion it can be obtained in small rather ill-formed needles whichleave no doubt of its crystalline character. Its saturation curveCD has a very great length, extending from 13 per cent to 74 percent of dissolved substance. It is stable in equilibrium withaqueous solutions of itself. Calculated for PbCCsHgOs)2 . 2PbO . 4 HjO PbO H2O Calculated Found 8,6 Lead hydroxide Pb(0H)2 is in equi
Equilibrium in the system: lead acetate, lead oxide and water, at 25° . Pb(C,HsO;,)^7>h,0 PHQ,HjQj)^ Fig. 1.—Isothermal equilibrium at zf. Jb(C,H,0i)^-3HO Jackson] The Basic Acetates of Lead 339 tion it can be obtained in small rather ill-formed needles whichleave no doubt of its crystalline character. Its saturation curveCD has a very great length, extending from 13 per cent to 74 percent of dissolved substance. It is stable in equilibrium withaqueous solutions of itself. Calculated for PbCCsHgOs)2 . 2PbO . 4 HjO PbO H2O Calculated Found 8,6 Lead hydroxide Pb(0H)2 is in equilibrium with solutions con-taining less than 5 per cent of lead acetate. THE QUADRUPLE POINTS At 25° there are three sharply defined quadruple points. Thetransition mixtiure at B (p. 338) was obtained by approaching itwith successive additions of neutral acetate to the solution of themonoxy acetate. The transition mixture at C was reached in two separateexperiments, one a new S3aithetic mixtiu-e which was filtered andallowed to concentrate in a desiccator, the other a mixtiure formedby addition of neutral lead acetate to a solution wh
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